Zooly adds automated payroll tax withholding for cross-border placements

A new platform feature calculates and withholds tax obligations automatically for placements spanning multiple EU jurisdictions, eliminating a manual reconciliation step that agencies previously handled in spreadsheets outside the platform. The rollout covers the Netherlands, Belgium, Germany, and France at launch, with additional jurisdictions planned for later this year based on customer demand.
What's new
The feature detects the worker's tax residency and the placement's actual work location — which are frequently different for cross-border and hybrid placements — to apply the correct withholding rate automatically at payroll run time. Previously, agencies running placements across two or more jurisdictions had to calculate withholding manually or via a third-party tool, then re-key the result into Zooly before generating payslips. The new withholding engine also accounts for applicable double-taxation treaty relief where both the worker's home country and the work-location country have an agreement in place, flagging placements where treaty relief may apply so the agency's payroll team can review before finalizing.
Rollout and availability
Automated withholding is available immediately for placements involving the Netherlands, Belgium, Germany, and France, and is enabled by default for all new cross-border placements created after this release. Existing placements can be migrated to automated withholding from the placement settings panel; agencies with active placements are encouraged to review the migration guide before switching mid-cycle to avoid a mismatch between manually and automatically calculated withholding within the same payroll period.
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The Dutch DBA Act (Deregulering Beoordeling Arbeidsrelaties) enforces joint responsibility of clients and contractors to prevent false self-employment. The Netherlands Tax Administration (Belastingdienst) assesses working relationships; if a zzp'er (self-employed professional) does not meet entrepreneurship conditions, they face additional tax assessments, repayment of tax benefits, and potential fines. Clients may owe payroll tax, pension contributions, and fines. From 1 January 2025, unintentional false self-employment triggers retroactive assessments; intentional cases can be backdated further. Model agreements remain valid until 2029 but do not guarantee protection. A new Self-Employment Act (Zelstandigenwet) is announced for 1 January 2028, introducing two tests for self-employment and a special commission. Businesses hiring freelancers must reassess working relationships to avoid financial and legal consequences. Some Hyperlink Here
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